Festo CPX-AP-I-EP-M12, Инструкции и эксплуатация

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9.2 Modbus TCP
9.2.1 Holding register
Register Length Access
1)
Name Description/value
Holding register
0 4096 rw Outputs Outputs
5000 4096 ro Inputs Inputs
10000 1000 rw Parameter Parameter
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Tab. 28 Parameter
11000 1000 ro Diagnosis Diagnostics
12000 1 ro Module count Number of modules
14000 2 rw Timeout Timeout (default 100 ms)
15000 18500 ro Module information Module information
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Tab. 29 Module information
Input register
0 4096 ro Inputs Inputs
Discrete input
0 32768 ro Inputs Inputs
2)
Coils
0 32768 rw Outputs Outputs
2)
1) ro = read only; rw = read write
2) dependent on the configuration of the automation system CPX-AP
Tab. 26 Holding register
Sequence for executing a request
Step Access Register Description
1 Write 10000 Module number
2 Write 10001 Parameter ID
3 Write 10002 Parameter instance
4 Write 10004 and
10010 ... Data length and
Data
5 Write 10003 1 = read or 2 = write
6 Read 10003 up to 16 = done or 4 = error
7 Read 10004 and
10010 ... Data length and
Data
Tab. 27 Sequence for executing a request
Parameterisation
33 Festo — CPX-AP-I-EP-M12 — 2019-08